Out-of-bounds Read in Qemu
CVE-2017-11434
The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.10.0
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Third Party Advisory)
- www.securityfocus.com/bid/99923 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html (mailing-list, Patch, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2017/07/19/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2017/dsa-3925 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-11434?
- CVE-2017-11434 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-07-25.
- How severe is CVE-2017-11434?
- Medium severity. CVSS v3 base score is 5.5 out of 10.